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GREAT FALLS, Mont., June 14, 2011 /PRNewswire/ -- The expansion of PPL Montana's Rainbow hydroelectric plant is more than 60 percent complete and on schedule despite the record rainfall this spring and continuing high flows on the Missouri River.
(Photo: http://photos.prnewswire.com/prnh/20110614/NE19852 )
"Crews working at the construction site recently embedded all of the major turbine components in concrete, a key milestone in the $230 million expansion project at Rainbow," said Pete...

Electricity generator PPL Montana is planning to nearly double the amount of renewable electricity produced at its Rainbow hydroelectric plant on the Missouri River near Great Falls, Montana, by constructing a new powerhouse with a 60MW turbine.

Word of the Day

pawl

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.